Received from the Oregon Health and Science University (CN, MAC, NG), Portland, Ore; the University of Washington (YU), Seattle, Wash; Johns Hopkins University (PS, KL, NG, JC), Baltimore, Md; Texas Women's University (JM), Houston, Tex; the University of South Florida (DC), Tampa, Fla; the University of Florida (FG), Gainsville, Fla.

Presented at the Plenary Session of the 25th Annual Meeting of the Society of General Internal Medicine, May, 2002, Atlanta, Ga.